kernel module to match the port-ranges, trigger related port-ranges, and alters the destination to a local IP address
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=port-trigger
PKG_VERSION:=1.0
PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE_PROTO:=git
PKG_SOURCE_URL:=https://github.com/dnetlab/port-trigger.git
PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE_VERSION:=397288350b17baba8a64cfb2b0882a22a04898cd
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
include $(INCLUDE_DIR)/package.mk
define KernelPackage/ipt-trigger
SUBMENU := Netfilter Extensions
TITLE := TRIGGER target netfilter module
DEPENDS := +kmod-ipt-core +kmod-ipt-nat
FILES := $(PKG_BUILD_DIR)/module/ipt_TRIGGER.ko
AUTOLOAD :=$(call AutoLoad,46,ipt_TRIGGER)
endef
define Package/iptables-mod-trigger
SECTION := net
CATEGORY := Network
SUBMENU := Firewall
TITLE := TRIGGER target iptables extension
DEPENDS := iptables +kmod-ipt-trigger
endef
# define Build/Prepare
# mkdir -p $(PKG_BUILD_DIR)
# $(CP) ./src/* $(PKG_BUILD_DIR)/
# endef
define Build/Compile/trigger-kmod
$(MAKE) -C $(LINUX_DIR) \
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \
SUBDIRS="$(PKG_BUILD_DIR)/module" \
KERNELDIR=$(LINUX_DIR) \
CC="$(TARGET_CC)" \
EXTRA_CFLAGS="-I$(PKG_BUILD_DIR)/header" \
modules
endef
define Build/Compile/trigger-lib
$(MAKE) -C $(PKG_BUILD_DIR)/extension \
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(TARGET_CFLAGS)" \
LDFLAGS="$(TARGET_LDFLAGS)" \
IFLAGS="$(TARGET_CPPFLAGS) -I$(PKG_BUILD_DIR)/header"
endef
define Build/Compile
$(Build/Compile/trigger-kmod)
$(Build/Compile/trigger-lib)
endef
define Package/iptables-mod-trigger/install
$(INSTALL_DIR) $(1)/usr/lib/iptables
$(INSTALL_BIN) $(PKG_BUILD_DIR)/extension/*.so $(1)/usr/lib/iptables/
endef
$(eval $(call KernelPackage,ipt-trigger))
$(eval $(call BuildPackage,iptables-mod-trigger))#ifndef _NF_NAT_RULE_H
#define _NF_NAT_RULE_H
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_nat.h>
#include <linux/netfilter_ipv4/ip_tables.h>
extern int nf_nat_rule_init(void) __init;
extern void nf_nat_rule_cleanup(void);
extern int nf_nat_rule_find(struct sk_buff *skb,
unsigned int hooknum,
const struct net_device *in,
const struct net_device *out,
struct nf_conn *ct);
#endif /* _NF_NAT_RULE_H */
/*
* Copyright (C) 2008, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
*
* $Id: ip_autofw.h,v 1.1 2008/10/02 03:42:40 Exp $
*/
#ifndef _IP_AUTOFW_H
#define _IP_AUTOFW_H
#define AUTOFW_MASTER_TIMEOUT 600 /* 600 secs */
struct ip_autofw_info {
u_int16_t proto; /* Related protocol */
u_int16_t dport[2]; /* Related destination port range */
u_int16_t to[2]; /* Port range to map related destination port range to */
};
struct ip_autofw_expect {
u_int16_t dport[2]; /* Related destination port range */
u_int16_t to[2]; /* Port range to map related destination port range to */
};
#endif /* _IP_AUTOFW_H */